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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 889 · 40 questions
TalentJR

Engineer's tip (Limits and goals): Constraint = a limit on money, materials, time or size. Criterion = a goal: what the design must do. Check both with numbers: money left ÷ price for how many you can buy; result ≥ goal for “meets it”.

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  1. 1.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) carry 10 coins (d) fit on a school desk
  2. 2.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) No (b) Yes
  3. 3.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
  4. 4.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  5. 5.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
  6. 6.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  7. 7.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
  8. 8.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) lift a cup of water (c) spend at most ₹100 (d) float for 1 minute
  9. 9.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  10. 10.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
  11. 11.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
  12. 12.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  13. 13.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
  14. 14.🔍 Which is the odd one out? (a) float for 1 minute (b) be under 30 cm tall (c) lift a cup of water (d) carry 10 coins
  15. 15.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  16. 16.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  17. 17.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
  18. 18.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  19. 19.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
  20. 20.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
  21. 21.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) use at most 20 straws (c) use only paper and tape (d) spend at most ₹100
  22. 22.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) finish in 40 minutes (d) roll at least 2 metres
  23. 23.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  24. 24.📋 Your team’s budget is ₹135. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  25. 25.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
  26. 26.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
  27. 27.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
  28. 28.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
  29. 29.🔍 Which is the odd one out? (a) finish in 40 minutes (b) roll at least 2 metres (c) fit on a school desk (d) spend at most ₹100
  30. 30.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
  31. 31.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) Yes (b) No
  32. 32.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) yes, always (d) no, it breaks a limit
  33. 33.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  34. 34.📋 Your team’s budget is ₹83. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  35. 35.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
  36. 36.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
  37. 37.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  38. 38.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
  39. 39.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
  40. 40.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) Yes (b) No

Answer key

  1. carry 10 coins
  2. No
  3. True
  4. a constraint
  5. goals a design must meet
  6. a criterion
  7. No
  8. spend at most ₹100
  9. False
  10. Yes
  11. No
  12. False
  13. False
  14. be under 30 cm tall
  15. 26
  16. a constraint
  17. No
  18. True
  19. a criterion
  20. a criterion
  21. keep ice for 1 hour
  22. finish in 40 minutes
  23. a constraint
  24. 30
  25. False
  26. a limit you must keep to
  27. True
  28. Yes
  29. roll at least 2 metres
  30. Yes
  31. Yes
  32. no, it breaks a limit
  33. 16
  34. 18
  35. False
  36. False
  37. True
  38. No
  39. False
  40. Yes

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